Home / 3,066.82-4,229.49-2,005.18

Finding the Fourth Proportional to 3,066.82, 4,229.49 and 2,005.18

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Solution

The fourth proportional to 3,066.82, 4,229.49 and 2,005.18 is: 2,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.82 : 4,229.49 = 2,005.18 : x
  2. Step 2: Convert to fraction form
    3,066.82/4,229.49 = 2,005.18/x
  3. Step 3: Cross multiply
    3,066.82x = 4,229.49 × 2,005.18
  4. Step 4: Simplify right side
    3,066.82x = 8,480,888.76
  5. Step 5: Solve for x
    x = 8,480,888.76/3,066.82
  6. Step 6: Final answer
    x = 2,765.37

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.